Propelling attachment for boats



meme July 10, 1923.

son's-1r. coconut,

OF NEW YORK, E. Y.

PEOPELLING ATTACHMENT BOB BOATS.

Application flied June 5,

To allwiwm it may concern:

Be it known that I, Jorur N. Conomx, a citizen of the United States, anda. raident of the city of New York bore of Manhattan, in the county andstate New York, have invented a new and Improved Propelling Attachmentfor Bosh; of which the following is a full, clear, and exact desarition.

invention relates-to an attachment for boats, and has for an object theprovL sion of means whereby a person can very readily 0 state the boatby means of a. propeller w ich is connected with a frame or supportreadily applied to and removed from the boot structure at will. Thisframe contains all the necessary elements for propolling and steeringthe boat without requiring any alteration of the boat structure.

Another object resides in the provision of a propelling attachment which13 especially simple and compact and readily portable.

A further ob ect resides in the particular construction and arrangementof arts which are hereinafter described and claimed and shown in theaccompanying drawings The invention is illustrated in the draw ini ofwhichigure 1 is a longitudinal vertical section taken through the end ofthe boot and through the portable unit.

Figuri? 2 IS a section taken on the line The for l of the inventionshown in the drawings is a preferred form, although it is understood tat modifications in the con struction and arrangement of the parts andin the character of the materials used may be adopted without departingfrom the spirit of the invention.

As shown in the drawings, the invention includes a boat having a bottom1 and a. rear or transom 2 at the intersection of which a. block or baseportion 8 is disposed. The unit which I attach to the boat for thepurpose of propelling the same comprises a bearing portion 4 throughwhich a shaft 5 extends. This shaft has on its end pinions 6 and 7 Toone end of the bearing 4 a vertical plate 8 is disposed, the lower endof which is flanged as at 9 and connected by any suitable means to thebottom or interior of the boat, refer-ably the base block 3. To theother end of the bearing portion 4, which rests on the top edge of thetransom 2, I connect a U-sliaped frame, one leg 10 of 1922. Serial m.scores.

which extends downward! ud'acent the rear face of the transom 2 and asostened thereto a plate 11 extendingtmnsversely to the leg 1 and hnvinat opposite ends sleeves 12 and 13 throng]? which bolts 14 extend tofasten theends of the plate 11 against the transom, thereby disposingthe Uchsped frame, of which 1e 10-is a portion, rigldl with respect to te, boat. The U-sha frame is provided with a. base portion 15 and asecond leg 16 parallel to the leg 10. This second leg 16 is ri idlyspaced from the leg 10 by brace members 17 and 18 can tendingthorebetween. The end of shaft 5 is journnled in the upper end of theleg 16. A ropeller shaft 19 1s journaled at opposite end; 111 the legs10 and 16 and controls a propeller 20, preferably a four-bladedropeller. A pimon 21 is mounted on the s aft 9 and is connected to thepinion 7 by chains 22. The upper end of the leg 16 1s flared outwardlyand rearwardly and constitutes a portion 23 to receive the upper end ofa ru der shaft 94 provided at its upper end with a manually operabledevice, such as a wheel 25, and 'along its lower end with a rudder 26.The lower end of the rudder shaft 24 is suitobl fastened to the end ofa. curved bracket p ate 2'1 fastened as at 28 lay any suitable means tothe base 15 of the shaped frame.

The pinion 6 meshes with a gear 29 which is mounted loosely on a shaft30 one end of which is rotatably mounted on the late 8.

A- pinion 31 is connected rigidly to t e gear 29 and is connected alsoto a. handle portion 82, permitting the manualcoperation of the ar 29.The pinion 31 is adapted to permit t 0 transmission of power to the gear29 through other means than by manually operable means.

It is therefore observed that by movin the handle 32 power istransmitted throng the gear 29, pinion 6, shaft 5, pinion 7, chain 22,pinion 21, shaft 19, through the propeller 20. The engagement of the lie9 and the plate 11 with portions of the boat firmly fastens theattachment to the boat. It is found that with a comparatively slightcllort the boat is propelled throu h the water in :1 much easier mannerthan 3 rowing. To remove the attachment from the bout, it ismerely"nccessary to remove the bolts 14 and disconnect the flange 9 fromthe base portion 3, which is preferably fastened thereto by a screw 33.t will, therefore, be

mllml and removal uf he unit from thv,

mm. a driving shaft extending through sa ul hezu'lng portion :1 pinion(m the front uml ul Htllil shaft moshing with said gem: a pininn un (h1-l'mu' end of said shaft, the rear vz-l ni' will slml l. hv'mg journalledin one part ml the U-shupml framv. a dr'n'on shaft jmlrnzllhul in theU-shn lml frame, a pinion 4m said shall. :1 chain cmnwcting the pinionml the llllVLll shaft and the pinion on the l'l'ill vml uf thv drivingshaft, :1 propeller on tlw lmu (ml of thv klI'lVLH shnl'l. outwardly:uul runwvnrhl v prujm'tim: bracket plates mum-11ml to tho upper andlower ends of the U-shupml frzmw, :l rmhlur at llh vmls in sn'ulhrzu'lu't plates, 11 rudder ml su'ul lmfl, means for permitting thelmn'umcnL nl H'Zlhl rmhlur, piniun attached to szlhl driving gear, and.1 handle attached tn said pinion JOHN N mmmlmw shn ft journallcd

